Submersible mixer



FIG. 1 is a right front elevation view of a submersible mixer showing my new design without a jet ring;

FIG. 2 is a right elevation view of the submersible mixer of FIG. 1;

FIG. 3 is a front plan view of FIG. 2;

FIG. 4 is a rear plan view of FIG. 2;

FIG. 5 is a right rear elevation view of the submersible mixer of FIG. 1;

FIG. 6 is a left rear elevation view of the submersible mixer showing my new design with a jet ring;

FIG. 7 is a left front elevation view of the submersible mixer of FIG. 4; and,

FIG. 8 is a right side plan view of the submersible mixer of FIG. 4. 

The ornamental design for a submersible mixer, as shown and described. 